:root {
  color-scheme: dark;
  --ink: #eef6ff;
  --muted: #8da0b5;
  --dim: #586a7d;
  --night: #050a11;
  --panel: #091421;
  --line: rgba(163, 200, 225, 0.16);
  --cyan: #6ee7f5;
  --cyan-soft: rgba(110, 231, 245, 0.12);
  --orange: #ff9b69;
  --max: 1240px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 72% 14%, rgba(16, 75, 100, 0.3), transparent 30rem),
    radial-gradient(circle at 10% 90%, rgba(25, 56, 79, 0.18), transparent 28rem),
    var(--night);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  min-width: 320px;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  content: "";
  opacity: 0.42;
  background-image:
    radial-gradient(circle, rgba(255,255,255,.7) 0 1px, transparent 1.5px),
    radial-gradient(circle, rgba(110,231,245,.55) 0 1px, transparent 1.5px);
  background-position: 0 0, 83px 117px;
  background-size: 197px 197px, 263px 263px;
}

a { color: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  background: var(--ink);
  color: var(--night);
  padding: .7rem 1rem;
}

.skip-link:focus { top: 1rem; }

.site-header,
main,
footer {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.site-header {
  height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: .72rem;
  font-size: .84rem;
  font-weight: 760;
  letter-spacing: .14em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.15rem;
  aspect-ratio: 1;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  color: var(--cyan);
  font-family: Georgia, serif;
  font-size: 1.05rem;
}

.brand-accent { color: var(--cyan); }

nav { display: flex; gap: 2.1rem; }

nav a {
  color: var(--muted);
  font-size: .74rem;
  letter-spacing: .08em;
  text-decoration: none;
  text-transform: uppercase;
}

nav a:hover,
nav a:focus-visible { color: var(--cyan); }

.hero {
  min-height: 710px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 3rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.section-index,
.signal-kicker {
  color: var(--cyan);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.signal-dot {
  display: inline-block;
  width: .48rem;
  height: .48rem;
  margin-right: .4rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px var(--cyan-soft), 0 0 24px var(--cyan);
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  margin: 1.6rem 0 1.5rem;
  font-size: clamp(3.45rem, 6.2vw, 6.6rem);
  line-height: .92;
  letter-spacing: -.062em;
  font-weight: 590;
}

h1 em {
  color: var(--cyan);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-lead {
  max-width: 39rem;
  color: var(--muted);
  font-size: clamp(1rem, 1.3vw, 1.18rem);
}

.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  border-bottom: 1px solid var(--cyan);
  color: var(--ink);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .12em;
  padding: .85rem 0;
  text-decoration: none;
  text-transform: uppercase;
}

.primary-link span { color: var(--cyan); font-size: 1.1rem; }

.orbital {
  position: relative;
  justify-self: center;
  width: min(42vw, 500px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
}

.orbital::before,
.orbital::after {
  position: absolute;
  content: "";
  background: var(--line);
}

.orbital::before { width: 112%; height: 1px; }
.orbital::after { height: 112%; width: 1px; }

.orbit {
  position: absolute;
  inset: 8%;
  border: 1px solid rgba(110, 231, 245, .3);
  border-radius: 50%;
  animation: spin 18s linear infinite;
}

.orbit-two { inset: 21%; animation-duration: 12s; animation-direction: reverse; }
.orbit-three { inset: 34%; animation-duration: 8s; }

.orbit span {
  position: absolute;
  left: 50%;
  top: -.25rem;
  width: .5rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.orbit-two span { background: var(--orange); box-shadow: 0 0 15px var(--orange); }

.core {
  z-index: 2;
  width: 24%;
  aspect-ratio: 1;
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 35%, #123348, #07121f 70%);
  box-shadow: 0 0 65px rgba(110, 231, 245, .22);
}

.core-glyph { font: 2.8rem/1 Georgia, serif; }
.core small { color: var(--cyan); font-size: .48rem; letter-spacing: .24em; }

.coordinate {
  position: absolute;
  color: var(--dim);
  font: .58rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .08em;
}

.coordinate-a { left: 0; bottom: 47%; }
.coordinate-b { right: 0; top: 47%; }

@keyframes spin { to { transform: rotate(360deg); } }

.manifesto {
  display: grid;
  grid-template-columns: .65fr 1.35fr;
  padding: 8.5rem 0 6rem;
}

.manifesto h2,
.principles h2,
.signal h2 {
  margin-bottom: 1.4rem;
  font-size: clamp(2.5rem, 4.5vw, 5.1rem);
  line-height: 1;
  letter-spacing: -.05em;
  font-weight: 550;
}

.manifesto > div > p {
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.1rem;
}

.destinations { border-top: 1px solid var(--line); }

.destinations article {
  display: grid;
  grid-template-columns: .25fr .85fr .9fr;
  align-items: center;
  gap: 2rem;
  padding: 2.2rem 0;
  border-bottom: 1px solid var(--line);
}

.destination-number {
  color: var(--dim);
  font: .65rem ui-monospace, SFMono-Regular, Menlo, monospace;
}

.destinations h3 {
  margin: 0;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
  font-weight: 650;
  letter-spacing: -.02em;
}

.destinations h3 span { color: var(--cyan); font-weight: 450; }
.destinations p { margin: 0; color: var(--muted); font-size: .9rem; }

.principles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  margin-top: 9rem;
  padding: 7rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.principles ol { margin: 0; padding: 0; list-style: none; }

.principles li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
}

.principles li:last-child { border-bottom: 1px solid var(--line); }
.principles li > span { color: var(--cyan); font: .66rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.principles strong { font-size: 1rem; letter-spacing: .02em; }
.principles li p { margin: .35rem 0 0; color: var(--muted); font-size: .88rem; }

.signal { padding: 10rem 0 8rem; text-align: center; }
.signal .section-index { margin-bottom: 5rem; }
.signal-kicker { color: var(--orange); }
.signal > p:not(.section-index):not(.signal-kicker) { color: var(--muted); }

.signal-line {
  position: relative;
  width: min(420px, 80%);
  height: 1px;
  margin: 4rem auto 0;
  background: var(--line);
}

.signal-line span {
  position: absolute;
  left: 50%;
  top: -.28rem;
  width: .56rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 18px var(--cyan);
}

footer {
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: .62rem;
  letter-spacing: .12em;
}

@media (max-width: 820px) {
  .site-header nav { display: none; }
  .hero { grid-template-columns: 1fr; padding: 6rem 0 4rem; }
  .orbital { width: min(82vw, 440px); margin-bottom: 2rem; }
  .manifesto,
  .principles { grid-template-columns: 1fr; gap: 2rem; }
  .manifesto { padding: 6rem 0 4rem; }
  .destinations article { grid-template-columns: 3rem 1fr; gap: 1rem; }
  .destinations p { grid-column: 2; }
  .principles { margin-top: 6rem; padding: 5rem 0; }
}

@media (max-width: 520px) {
  .site-header,
  main,
  footer { width: min(calc(100% - 30px), var(--max)); }
  .site-header { height: 76px; }
  h1 { font-size: clamp(3rem, 15vw, 4.4rem); }
  .hero { min-height: auto; gap: 2rem; }
  .coordinate { display: none; }
  .destinations article { padding: 1.8rem 0; }
  footer { flex-wrap: wrap; padding: 1.5rem 0; }
  footer span:nth-child(2) { order: 3; width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .orbit { animation: none; }
}